Pediatric emergency physicians are experienced in the diagnosis and treatment of all types of emergencies in infants, children, teens, and young adults. They usually treat the following types of emergencies:
Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse effect 1 â warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping.
What four main factors can cause climate change? Variations in the position of Earth relative to the Sun, changes in the Sun's energy output, major volcanic eruptions, and the movement of the continents.